/**
 * Created by andycall on 14-10-17.
 */
var B_collection = Backbone.Collection.extend({
    model : M_broadcast
});
var TotalCollection = Backbone.Collection.extend({

});

var FinishedCollection = Backbone.Collection.extend({

});

var UnfinishedCollection = Backbone.Collection.extend({

});


var b_collection = new B_collection();
var total_collection = new TotalCollection();
var finished_collection = new FinishedCollection();
var unfinished_collection = new UnfinishedCollection();
